The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 24, 1992
Filed:
Mar. 16, 1990
Applicant:
Inventors:
Ioan Gross, Augsburg, DE;
Hans-Jurgen Irmscher, Landsberg, DE;
Assignee:
Hilit Aktiengesellschaft, Furstentum, LI;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B / ;
U.S. Cl.
CPC ...
428404 ; 428403 ; 428405 ; 428406 ; 427214 ; 427219 ;
Abstract
In a two-component system for a hardenable material, quartz grains (1) serve as a filler material and are coated with benzoyl peroxide which forms the hardener component of the system. The benzoyl-peroxide coated quartz grains are enclosed in a protective layer of pyrogenic silicic acid. As a result, the flotation capability of the quartz granules is maintained.